2种不同时机根尖外科手术的疗效评价

The clinical evaluation of the effect of two different apical surgery timing

目的：研究在2种不同时机下进行根尖外科手术的治疗效果。方法：将68例根尖周炎的患者分为对照组（30例）和试验组（38例）,对照组于根管治疗后至少1~2个月进行根尖手术,试验组于根管治疗后即刻进行根尖手术,术后第3、6、12个月复查,通过临床检查和X线片比较,评价临床疗效。结果：根据患者的年龄、性别、不同牙位分别统计2种不同时机进行的根尖手术的疗效,组间比较均没有统计学差异（P〉0.05）。结论：根管治疗后即刻进行根尖手术和延期手术疗效相同。

Objective： To observe the effect of two different apical surgery timing. Methods： 68 patients with periapical lesion were divided .into 2 groups. 30 patients（ control group） were operated by apical surgery at least I -2 months after root canal therapy（ RCT）, while 38 patients（ experimental group） were operated immediately after RCT. The patients were followed up 3, 6 and 12 months after apical surgery. Results： The curative effect analysed with the age, sex and tooth position showed no statistical difference between 2 groups（P 〉 0.05）. Conclusion： Immediate and delayed apical surgery apical surger after RCT are similarly effective.